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Ndel1 Operates in a Common Pathway with LIS1 and Cytoplasmic Dynein to Regulate Cortical Neuronal Positioning

Correct neuronal migration and positioning during cortical development are essential for proper brain function. Mutations of the LIS1 gene result in human lissencephaly (smooth brain), which features misplaced cortical neurons and disarrayed cerebral...
Authors: Shu T, Ayala R, Nguyen MD, Xie Z, Gleeson JG and Tsai LH

Critical role of N-cadherin in myofibroblast invasion and migration in vitro stimulated by colon-cancer-cell-derived TGF- or wounding

Invasion of stromal host cells, such as myofibroblasts, into the epithelial cancer compartment may precede epithelial cancer invasion into the stroma. We investigated how colon cancer-derived myofibroblasts invade extracellular matrices in vitro in...
Authors: De Wever O, Westbroek W, Verloes A, Bloemen N, Bracke M, Gespach C, Bruyneel E and Mareel M

Oxetane modified, conformationally constrained, antisense oligodeoxyribonucleotides function efficiently as gene silencing molecules

Incorporation of nucleosides with novel base-constraining oxetane (OXE) modifications [oxetane, 1-(1',3'-O-anhydro-beta-d-psicofuranosyl nucleosides)] into antisense (AS) oligodeoxyribonucleotides (ODNs) should greatly improve the gene silencing...
Authors: Opalinska JB, Kalota A, Gifford LK, Lu P, Jen KY, Pradeepkumar PI, Barman J, Kim TK, Swider CR,...

WHIM syndromes with different genetic anomalies are accounted for by impaired CXCR4 desensitization to CXCL12

The WHIM syndrome is a rare immunodeficiency disorder characterized by Warts, Hypogammaglobulinemia, Infections and Myelokathexis. Dominant heterozygous mutations of the gene encoding CXCR4, a G protein-coupled receptor with a unique ligand, CXCL12,...
Authors: Balabanian K, Lagane B, Pablos JL, Laurent L, Planchenault T, Verola O, Lebbe C, Kerob D, Dupuy A,...

Role for Rab7 in maturation of late autophagic vacuoles

The small GTP binding protein Rab7 has a role in the late endocytic pathway and lysosome biogenesis. The role of mammalian Rab7 in autophagy is, however, unknown. We have addressed this by inhibiting Rab7 function with RNA interference and...
Authors: Jager S, Bucci C, Tanida I, Ueno T, Kominami E, Saftig P and Eskelinen EL

Caveolin-1 is required for vascular endothelial growth factor-triggered multiple myeloma cell migration and is targeted by bortezomib

We recently demonstrated that caveolae, vesicular flask-shaped invaginations of the plasma membrane, represent novel therapeutic targets in multiple myeloma. In the present study, we demonstrate that vascular endothelial growth factor (VEGF) triggers...
Authors: Podar K, Shringarpure R, Tai YT, Simoncini M, Sattler M, Ishitsuka K, Richardson PG, Hideshima T,...

Dynamic molecular interactions linking the T cell antigen receptor to the actin cytoskeleton

T cell receptor (TCR) engagement leads to actin polymerization at the site of T cell contact with antigen-presenting cells. Here we have studied the dynamic activity of proteins involved in regulating actin polymerization in live T cells after...
Authors: Barda-Saad M, Braiman A, Titerence R, Bunnell SC, Barr VA and Samelson LE

Transcriptional activation of the SH2D2A gene is dependent on a cyclic adenosine 5'-monophosphate-responsive element in the proximal SH2D2A promoter

The SH2D2A gene, encoding the T cell-specific adapter protein (TSAd), is rapidly induced in activated T cells. In this study we investigate the regulation of the SH2D2A gene in Jurkat T cells and in primary T cells. Reporter gene assays demonstrated...
Authors: Dai KZ, Johansen FE, Kolltveit KM, Aasheim HC, Dembic Z, Vartdal F and Spurkland A

Cyclic adenosine 5'-monophosphate response element modulator is responsible for the decreased expression of c-fos and activator protein-1 binding in T cells from patients with systemic lupus erythematosus

T cells from patients with systemic lupus erythematosus express increased levels of the cAMP response element modulator (CREM) that has been shown to bind to the IL-2 promoter and suppress its activity. In this study, we demonstrate that CREM binds...
Authors: Kyttaris VC, Juang YT, Tenbrock K, Weinstein A and Tsokos GC

Dynamic redistribution of the activating 2B4/SAP complex at the cytotoxic NK cell immune synapse

The 2B4 molecule (CD244) has been described as a coreceptor in human NK cell activation. However, the behavior of 2B4 during the cytotoxic NK cell immune synapse (NK-IS) formation remains undetermined. In this study, we demonstrate the redistribution...
Authors: Roda-Navarro P, Mittelbrunn M, Ortega M, Howie D, Terhorst C, Sanchez-Madrid F and Fernandez-Ruiz E
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